Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 5. East

Average Temperature Rankings, June 1991

View Period (Months):
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
June 1991
1-Month
75.1°F
(23.9°C)
70.4°F
(21.3°C)
4.7°F
(2.6°C)
124th Coolest
Coolest since:
1903
5th Warmest
Warmest since:
1933
May–Jun 1991
2-Month
71.8°F
(22.1°C)
65.8°F
(18.8°C)
6.0°F
(3.3°C)
127th Coolest
Coolest since:
1907
2nd Warmest
Warmest to Date
2018
Apr–Jun 1991
3-Month
66.2°F
(19.0°C)
60.4°F
(15.8°C)
5.8°F
(3.2°C)
128th Coolest
Coolest since:
1907
1st Warmest
Warmest to Date
1991
Mar–Jun 1991
4-Month
60.2°F
(15.7°C)
54.9°F
(12.7°C)
5.3°F
(3.0°C)
127th Coolest
Coolest since:
1926, 1960
2nd Warmest
Warmest to Date
2012
Feb–Jun 1991
5-Month
54.6°F
(12.6°C)
49.4°F
(9.7°C)
5.2°F
(2.9°C)
127th Coolest
Coolest since:
1904, 1947
2nd Warmest
Warmest to Date
2012
Jan–Jun 1991
6-Month
49.3°F
(9.6°C)
45.1°F
(7.3°C)
4.2°F
(2.3°C)
124th Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2012
Dec 1990–Jun 1991
7-Month
46.5°F
(8.1°C)
42.7°F
(5.9°C)
3.8°F
(2.2°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 1987
Nov 1990–Jun 1991
8-Month
46.5°F
(8.1°C)
42.4°F
(5.8°C)
4.1°F
(2.3°C)
124th Coolest
Coolest since:
1904
4th Warmest
Warmest to Date
2012
Oct 1990–Jun 1991
9-Month
47.1°F
(8.4°C)
43.6°F
(6.4°C)
3.5°F
(2.0°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Sep 1990–Jun 1991
10-Month
49.0°F
(9.4°C)
45.7°F
(7.6°C)
3.3°F
(1.8°C)
122nd Coolest
Coolest since:
1904
6th Warmest
Warmest since:
2012
Ties: 1999
Aug 1990–Jun 1991
11-Month
51.0°F
(10.6°C)
48.1°F
(8.9°C)
2.9°F
(1.7°C)
121st Coolest
Coolest since:
1904
7th Warmest
Warmest since:
2012, 2017
Ties: 2006
Jul 1990–Jun 1991
12-Month
52.8°F
(11.6°C)
50.3°F
(10.2°C)
2.5°F
(1.4°C)
120th Coolest
Coolest since:
1904
8th Warmest
Warmest since:
2012
Jan 1990–Jun 1991
18-Month
51.5°F
(10.8°C)
48.6°F
(9.2°C)
2.9°F
(1.6°C)
122nd Coolest
Coolest since:
1905
6th Warmest
Warmest since:
2017
Jul 1989–Jun 1991
24-Month
51.9°F
(11.1°C)
50.3°F
(10.2°C)
1.6°F
(0.9°C)
111th Coolest
Coolest since:
1905
16th Warmest
Warmest since:
2017
Ties: 1988, 2005, 2021
Jul 1988–Jun 1991
36-Month
51.6°F
(10.9°C)
50.3°F
(10.2°C)
1.3°F
(0.7°C)
104th Coolest
Coolest since:
1905, 1906
22nd Warmest
Warmest since:
2018
Ties: 1989, 1999
Jul 1987–Jun 1991
48-Month
51.5°F
(10.8°C)
50.3°F
(10.2°C)
1.2°F
(0.6°C)
103rd Coolest
Coolest since:
1905
22nd Warmest
Warmest since:
2019
Ties: 2003, 2014, 2017, 2021
Jul 1986–Jun 1991
60-Month
51.7°F
(10.9°C)
50.3°F
(10.2°C)
1.4°F
(0.7°C)
114th Coolest
Coolest since:
1906
10th Warmest
Warmest since:
2020
Ties: 1934, 2009, 2012, 2013

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